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1. A group of organisms of the same species, sharing certain characteristics not typical of the entire species but minor enough not to warrant classification as a separate breed or variety: a drug-resistant strain of bacteria. 2. The extent to which a body is distorted when it is subjected...
In a discovery that further demonstrates just how unexpected and unusual nature can be, scientists have found two strains of bacteria whose symbiotic relationship is unlike anything seen before. Long, thin, hairlike Thioploca (meaning "sulfur braids" in Spanish) trichomes form chains down intomarin...
aThe improper use of antibiotics has led to strains of bacteria that are resistant to antibiotics.Experts say if efforts to combat the problem are not launched now,infections that were curable could make a dangerous comeback.Dr.Thomas Frieden,director of the U.S. Center for Disease Control and...
•I see little reason topreferstrains oflettuce, forinstance, that are inherentlypoisonoustopests.•Resistantstrains ofbacteria weredetectedsoon after thewidespreadintroductionofpenicillinin the 1940s.•Andunusualstrains ofsalmonellahave increased too.•They werescaredby thevirulentstrains ofvirusSalk...
invention to transform plants. The resulting transgenic plants are useful for their ability to express the insecticidal protein. The previously unidentified genes of the present invention may also be used to transform microorganisms, such as strains of yeast and bacteria, such as Bacillus and ...
This can seriously affect the beneficial effect that these bacteria, not deriving from the bee’s gastrointestinal tract, can have on the health of the bee itself. Endogenous bee gut microbes play a role in digestion, detoxification, nutrient conversion, and resistance to pests and pathogens [12...
lactic acid bacteria; laser desorption/ionization; B vitamins; metabolites1. Introduction Probiotics have been around humankind since people started consuming fermented milk and food. Nevertheless, their beneficial effects remained unexplored until the last century. During this time, the meaning of the ...
It is conceivable through the above that ‘GNAT’ acts through the acetylation of a lysine in a ribosomal protein or in tRNALys molecules and Lrp may modify these actions. At present, no particular common mechanism was found to explain HR in other bacteria. However, in some cases, regulatory...
Virulent strainsofH. parasuisthat are able to produce Glässer’s disease need a combination ofvirulence factors, most of which are still unknown, that allow them to reach and multiply in the lung for subsequent systemic spread. Bacteria then replicate on serosalsurfaces, causing inflammation and...